Advertisements
Advertisements
Question
Find and correct the errors in the statement: (2x)2 + 5x = 4x + 5x = 9x
Advertisements
Solution
L.H.S = (2x)2 + 5x = 4x2 + 5x ≠ R.H.S.
The correct statement is (2x)2 + 5x = 4x2 + 5x
APPEARS IN
RELATED QUESTIONS
Find and correct the errors in the statement: 4(x − 5) = 4x − 5
Find and correct the errors in the statement: x + 2x + 3x = 5x
Find and correct the errors in the statement: 5y + 2y + y − 7y = 0
Find and correct the errors in the following mathematical statement. Substituting x = −3 in
x2 − 5x + 4 gives (−3)2 − 5 (−3) + 4 = 9 − 15 + 4 = −2
Find and correct the errors in the following mathematical statement. Substituting x = −3 in x2 + 5x gives (−3)2 + 5 (−3) = −9 − 15 = −24
Find and correct the errors in the statement: (z + 5)2 = z2 + 25
Find and correct the errors in the statement : `3/(4x + 3) = 1/(4x)`
Find and correct the errors in the statement: `(7x + 5)/5 = 7x`
Identify the errors and correct them
7y2 – y2 + 3y2 = 10y2
Identify the errors and correct them
m(4m – 3) = 4m2 – 3
